Lock



P. LESIUK.

LOCK.

APPLICATION FILED OCT. 3]. I9l9.

Patented Feb. 10,1920.

ATTORNEYS A UNiTEn 8mm manna-opt ma.

PETER, LESIUK, or KOHL'EIR, isconsin.

LOCK.

Specification of Letters Patent. Patented Feb. 10, 1920.

Application filed October 31. 1919. Serial No. 334.816.

To all whom it may concern.

Be it known that I, PETER LESIUK, citizen of Ukrania, residing at Kohler, in the county of Sheboygan and State of Wisconsin, have invented certain new and useful Improvements in Locks, of which the fol- 1 is a plan view of my lock with the cover removed to expose the mechanism thereof.

Fig. 2 is a similar view with the cover in place.

Fig. 3 is a view with the cover removed and the lock in open position.

. Referring now in detail to the drawings, the numeral 1 represents the casing of my lock, and 2 the staple hook or shackle hinged or pivoted to said casing by means of a pin 3. A spring 4 presses against the end of said hasp so as to force the same upward on opening the lock. Pins 5 and 6 are rigid.

to the rear of the casing 1. The latter pins Y engage a slot 9 in a horizontal rack 10 which and is indicated by 15.

is provided with a bolt extension 7 and a depending lug 8, a shoulder being formed by the latter two portions.

The rack 10 engages a toothed wheel 11 having a key recess 12 therein. A second horizontal rack 14 is engaged by the gear 11, and slides upon pins 5 in the slot 13'. A second toothed wheel, smaller than the first, is engaged by the other end of the rack 14.

v The latter gear engages a. toothed sector 16 attached to a curved arm 17 which is provided with a pair of lugs orprojections 18' and19 displacedv at mutually right angles, in similar fashion to the humps 7 and 8. The shackle.

2 is provided'with recesses 21 and 20 which are adapted to engage the projections 7 and 18, respectively.

Theoperation of the lock is as follows: Assuming the lock to be closed, as in Fig. 1, a suitable key is inserted in the keyhole 23 inrthe cover 24, the key engaging. the hole 12. The key is then turned to the right, causing the gear 11 toturn clockwise, the rack 14 to move toward the left, the gear 15 to turn clockwise, the sector 16 to turn counter-clockwise, and thus the arm 17 disengages the'hooked projection 18 from the recess 19. At the same time the rack 10 has been moved toward the right, causing the projection 7 to be disengaged from the recess 21. Thus the spring 4 then forces the shackle 2 upward, and the lock is open.

To close the lock, the shackle is brought back to its closed position against the pressure of the spring 4, and the key is turned counterclockwise. It is apparent that by means of my double engagement of the shackle 2 and the security. of my gear and rack mechanism, that I have provided a lock which is certain to hold against tampering.

Having thus described my invention, what I claim and desire to secure by Letters Patent is as follows:

1. In a device of the class described, a casing, a pair of spaced apart pins rigid thereto, a toothed rack having a slot in engagement with said pins, a gear engaging said rack, a second toothed rack, having a slot therein, a second pair of pins rigid to said casing, and engaging the latter slot, a second gear engagin said second rack, a toothed sector engaging said second gear,

an arm on said sector, projections on said arm and said first-named rack, and a shackle having plvotal engagement with said casing and recesses therein adapted to be engaged by said projections. 2. In a device of casing, a shackle pivoted to said casing,

spring means between said shackle and said the class described, a

casing, recesses in said shackle, racks slidable in said casing, an extension on one of said racks adapted to engage one ;of said recesses, 'a toothed sector, an arm on said sector having a lug adapted to engage the other of said recesses, a main gear for operatlng sald racks, and means operable by the other of said racks to swing said lug on said arm into engagement With the said last- 5 named recess.

3. In a device of the class described, a easing, a hasp pivoted to said casing recesses insaid hasp, means slidable and rotatable re speetiveiy in said casing to engage said recesses, and gears and racks operable to move 10 said means.

In te t mo ywhe 'wi my signa PETER LESIUK. I 

